8 12 4
1 1 1 0 0 0 0 0 0 0 0 0
1 0 0 1 1 0 0 0 0 0 0 0
0 0 0 0 0 1 1 1 0 0 0 0
0 0 0 0 0 0 0 1 1 1 0 0
0 0 1 0 0 1 0 0 0 0 1 0
0 0 0 1 0 0 0 0 1 0 1 0
0 1 0 0 0 0 1 0 0 0 0 1
0 0 0 0 1 0 0 0 0 1 0 1
2 4 6 7 9 8 1 1 8 4 6 3
2 4 5 7